技能很棒：know sth. inside out= know everything about a subject很透彻地了解某事物Chris knows the system inside out.克里斯对这个系统了如指掌。

　　know sth. backwards (and forwards)= have detailed knowledge of sth洞悉某事物After 30 years in the business, she knows it backwards (and forwards). 在这行干了30 年后，她对这门生意倒背如流。

　　get the hang of sth. 初步掌握某种技能After a couple of days of using the new operating system,I think I've finally got the hang of it.在使用了新的操作系统几天后，我认为我已经初步掌握了它的功能。

　　acquire knowledge / acquire a skill=obtain knowledge / a particular skill获取某种技能The acquisition of effective learning skills can help students to acquire knowledge more independently.掌握有效的学习技巧可以帮助学生们更独立地获得知识。

　　innate talent= talent that people are bom with先天就具有的才能，天赋Innate talent is what differentiates a person who has been trained to play a sport or a musical instrument, from those players who are naturally good那些经过训练才学会一门运动或乐器的人和那些天生就展现出才华的人最大的区别就在于后者拥有先天性的天赋。

　　have/has the knack of doing sth. = have/has a special skill in doing sth.difficult有某种特殊的小技能Oscar has the knack of making friends wherever he goes.奥斯卡有到哪里都能交到朋友的天赋。

　　hone (a skill)=improve a particular skill锻炼某种技能Sophie's debating skill was honed at the debating club.苏菲在辩论社团里不断锻炼她的辩才。

　　be adept at sth. =be very skillful at doing sth非常擅长于某事Reece is adept at cooking.瑞斯非常擅长烹饪。

　　be proficient in sth. (对某种知识或技能)掌握得非常纯熟Katrina is proficient in mathematics.科瑞娜精通数学知识。

　　技能不好：mediocre= neither very good nor very bad平庸的，没有特色的Corey reads many mediocre novels.科里读了很多平庸的小说。

　　be rusty=(of a skill) not as good as it used to be because it has not been practised for a long time 某种技能由于缺乏使用而变得不够熟练My German is very rusty these days.我的德语已经非常生疏了。

　　is beyond sb.= be too difficult for sb. to understand(某事物)让某人实在难以理解Quantum physics is completely beyond me.量子物理实在是超出我的理解极限了。

　　be out of sb.'s depth = do not have the skills to deal with sth.超出了某人的能力范围I was out of my depth in the advanced class so I had to move to the intermediate class.我在进阶班已经跟不上进度了，所以我只好转到中级班了。

　　运用技能：

　　problem-solving ability=the ability to find solutions to problems解决实际问题的能力People who can speak two languages display greater creativity and problem-solving ability.会说两种语言的人们展示出更强的创造力和解决实际问题的能力。

　　use sb. as a guinea pig=use sb. in an experiment(学会某种新技能之后)把某人当成试验品Sarah's looking for volunteers to act as guinea pigs for her new recipe莎拉为了实验她的新秘方，正在积极寻找志愿品尝者。

　　testing ground=a situation in which you can try new ideas and methods (经常作比喻的用法)试验场The band used their recent tour of Europe as a testing ground for their new songs. 这支乐队把这次最近去欧洲旅行的机会当做他们推广新歌的试验场。

　　其他词汇：consult an expert=ask for advice from sb. who has special knowledge about a particular subject咨询专家Consulting experts can be useful in certain circumstances在特定情况下咨询专家会很有帮助。